From PathfinderWiki

Xills are alien, plane-shifting marauders from the Ethereal Plane who ravage everything in their path for one singular purpose: reproduction.1


A xill is a four-armed humanoid with spiny, bright red skin. Xills resemble a mix between human, reptile, and insect, possessing fanged mandibles and a scaled hide.1


All xills are female, and they fertilize their own eggs, but they require a host body to incubate their eggs before they hatch. For this reason, they use their poisoned mandibles to paralyze their victims and implant eggs in their bodies with an ovipositor usually kept retracted behind their jaws. Xills particularly favor phase spiders as incubators.1

Xills have the ability to shift between the Ethereal Plane and Material Plane at will, though moving from the Material to the Ethereal is more difficult and time-consuming than the reverse.1

Habitat and society

Xills inhabit the gray mists of the Ethereal Plane. They are highly intelligent, with a repressive, militaristic culture. Due to their need to reproduce, they are driven toward conquest, constantly seeking new incubators for their eggs.1 Xills often find themselves in conflict with the more powerful night hags,2 and are in a state of eternal war with the phase spiders, their favored source of incubators.3 Xills and destrachans are mortal enemies.4

On Golarion

  • The xill Qiloc is an interplanar bounty hunter currently in the employ of Olordaera, attempting to hunt down Shimon-Je.8


For additional as-yet unincorporated sources about this subject, see the Meta page.

  1. 1.0 1.1 1.2 1.3 1.4 Jason Bulmahn. (2009). Bestiary (First Edition), p. 283. Paizo Publishing, LLC. ISBN 978-1-60125-183-1
  2. Amber Stewart. (2009). The Great Beyond: A Guide to the Multiverse, p. 14. Paizo Publishing, LLC. ISBN 978-1-60125-167-1
  3. Adam Daigle, Crystal Frasier, Colin McComb, Rob McCreary, Jason Nelson, James L. Sutter. (2010). Misfit Monsters Redeemed, p. 7. Paizo Publishing, LLC. ISBN 978-1-60125-270-8
  4. Greg A. Vaughan. (2007). "Vaults of Madness". Seven Swords of Sin, p. 25. Paizo Publishing, LLC. ISBN 978-1-60125-050-6
  5. F. Wesley Schneider. (2012). Artifacts & Legends, p. 51. Paizo Publishing, LLC. ISBN 978-1-60125-458-0
  6. James Jacobs, Dave Gross, Rob McCreary. (2011). Dragon Empires Gazetteer, p. 40. Paizo Publishing, LLC. ISBN 978-1-60125-379-8
  7. F. Wesley Schneider. (2011). Rule of Fear, p. 60. Paizo Publishing, LLC. ISBN 978-1-60125-301-9
  8. Alexander Augunas et al. (2020). Legends, p. 50–51. Paizo Inc. ISBN 978-1-64078-254-9